STM3210E보드에 있는 LED점멸하기(GPIO)

/***************************************
STM3210E LED blinky
LED : PF6~PF9
*****************************************/

#include <stm32f10x.h>

int main(void)
{
 GPIO_InitTypeDef GPIO_InitStructure;  //구조체 변수 선언
 
 RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOF, ENABLE); //클럭 연결
 
 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;     //출력설정
 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;  //클럭속도
 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9;
 GPIO_Init(GPIOF, &GPIO_InitStructure);
 
 GPIOF->ODR &= ~(GPIO_Pin_7|GPIO_Pin_8); //LED 7,8 off
 GPIOF->ODR |= GPIO_Pin_6|GPIO_Pin_9; //LED 6,9 on
 while(1){
  GPIOF->ODR ^= GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9; //반전
  for(vu32 t=0;t<1000000;t++);  //delay
 }
}



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RCC_APB1 및 APB2 클럭 명령 함수입니다.

void RCC_APB1PeriphClockCmd ( uint32_t RCC_APB1Periph, FunctionalState NewState)

☞Enables or disables the Low Speed APB (APB1) peripheral clock.

 

Parameters:

RCC_APB1Periph,: specifies the APB1 peripheral to gates its clock. This parameter can be any combination of the following values:

 

RCC_APB1Periph_TIM2, RCC_APB1Periph_TIM3, RCC_APB1Periph_TIM4, RCC_APB1Periph_TIM5, RCC_APB1Periph_TIM6, RCC_APB1Periph_TIM7, RCC_APB1Periph_WWDG, RCC_APB1Periph_SPI2, RCC_APB1Periph_SPI3, RCC_APB1Periph_USART2, RCC_APB1Periph_USART3, RCC_APB1Periph_USART4, RCC_APB1Periph_USART5, RCC_APB1Periph_I2C1, RCC_APB1Periph_I2C2, RCC_APB1Periph_USB, RCC_APB1Periph_CAN1, RCC_APB1Periph_BKP, RCC_APB1Periph_PWR, RCC_APB1Periph_DAC, RCC_APB1Periph_CEC, RCC_APB1Periph_TIM12, RCC_APB1Periph_TIM13, RCC_APB1Periph_TIM14

NewState,: new state of the specified peripheral clock. This parameter can be: ENABLE or DISABLE.

 

Return values:

None

 

 

 

void RCC_APB2PeriphClockCmd ( uint32_t RCC_APB2Periph, FunctionalState NewState )

☞Enables or disables the High Speed APB (APB2) peripheral clock.

 

Parameters:

RCC_APB2Periph,: specifies the APB2 peripheral to gates its clock. This parameter can be any combination of the following values:

 

RCC_APB2Periph_AFIO, RCC_APB2Periph_GPIOA, RCC_APB2Periph_GPIOB, RCC_APB2Periph_GPIOC, RCC_APB2Periph_GPIOD, RCC_APB2Periph_GPIOE, RCC_APB2Periph_GPIOF, RCC_APB2Periph_GPIOG, RCC_APB2Periph_ADC1, RCC_APB2Periph_ADC2, RCC_APB2Periph_TIM1, RCC_APB2Periph_SPI1, RCC_APB2Periph_TIM8, RCC_APB2Periph_USART1, RCC_APB2Periph_ADC3, RCC_APB2Periph_TIM15, RCC_APB2Periph_TIM16, RCC_APB2Periph_TIM17, RCC_APB2Periph_TIM9, RCC_APB2Periph_TIM10, RCC_APB2Periph_TIM11

NewState,: new state of the specified peripheral clock. This parameter can be: ENABLE or DISABLE.

 

Return values:

None

 

------------------------------------------------------------------------------

GPIO_InitTypeDef 구종체입니다.

 

Data Fields

GPIOMode_TypeDef GPIO_Mode

uint16_t GPIO_Pin

GPIOSpeed_TypeDef GPIO_Speed

 

Detailed Description

GPIO Init structure definition.

 

 -------------------------------------------------------------------------------------

enum GPIOMode_TypeDef

Configuration Mode enumeration.

 

Enumerator:

GPIO_Mode_AIN

GPIO_Mode_IN_FLOATING

GPIO_Mode_IPD

GPIO_Mode_IPU

GPIO_Mode_Out_OD

GPIO_Mode_Out_PP

GPIO_Mode_AF_OD

GPIO_Mode_AF_PP

 

------------------------------------------------------------------------------------------- 

 

enum GPIOSpeed_TypeDef

Output Maximum frequency selection.

 

Enumerator:

GPIO_Speed_10MHz

GPIO_Speed_2MHz

GPIO_Speed_50MHz

 

--------------------------------------------------------------------------------------
 

GPIO_pins_define

Defines

#define GPIO_Pin_0 ((uint16_t)0x0001)

#define GPIO_Pin_1 ((uint16_t)0x0002)

#define GPIO_Pin_10 ((uint16_t)0x0400)

#define GPIO_Pin_11 ((uint16_t)0x0800)

#define GPIO_Pin_12 ((uint16_t)0x1000)

#define GPIO_Pin_13 ((uint16_t)0x2000)

#define GPIO_Pin_14 ((uint16_t)0x4000)

#define GPIO_Pin_15 ((uint16_t)0x8000)

#define GPIO_Pin_2 ((uint16_t)0x0004)

#define GPIO_Pin_3 ((uint16_t)0x0008)

#define GPIO_Pin_4 ((uint16_t)0x0010)

#define GPIO_Pin_5 ((uint16_t)0x0020)

#define GPIO_Pin_6 ((uint16_t)0x0040)

#define GPIO_Pin_7 ((uint16_t)0x0080)

#define GPIO_Pin_8 ((uint16_t)0x0100)

#define GPIO_Pin_9 ((uint16_t)0x0200)

#define GPIO_Pin_All ((uint16_t)0xFFFF)

#define IS_GET_GPIO_PIN(PIN)

#define IS_GPIO_PIN(PIN) ((((PIN) & (uint16_t)0x00) == 0x00) && ((PIN) != (uint16_t)0x00))

 

------------------------------------------------------------------------------------------
 

void GPIO_Init(GPIO_TypeDef* GPIOx, GPIO_InitTypeDef* GPIO_InitStruct)





GPIO 입출력 구성